Operating instructions VacuStar WR 2500 / WR 3100 / WR 4000
2 Safety
2.1 Intended use
The liquid-ring compressor vacuum pumps of the VacuStar WR
series are exclusively intended for the compression or extraction
of air or filtered water vapour saturated air.
The VacuStar WR in the explosion proof design complies with
Directive 2014/34/EU (ATEX) and is suitable for conveying
explosive gases and gas mixtures of explosion group IIB,
temperature class T5 from explosive zone 1 and zone 2 areas.
No explosive atmosphere is allowed in the area around the
VacuStar WR. The VacuStar WR may only be opened when it is
stopped and when there is no explosive atmosphere around it.
Labelling of the VacuStar WR on the rating plate:
II 2G ck IIB T5 (i),
no potentially explosive external atmosphere.
In temperature class T5, the gas temperature is
limited to 95 °C, and must be secured.
The following criteria in essence define the proper
operation:
– Technical Data in Tab. 2
– Solids may not be sucked into VacuStar WR.
If explosive gases and gas mixtures are conveyed, the
following guidelines must be observed:
– 2014/34/EC
Devices and protection systems for the proper
use in explosive environments
– 99/92/EC
Health protection and safety of the employees in
potentially explosive areas
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